Stadium: Court 1 Round: 27 Ground: Clay
| Challenger Pozoblanco | 2021/07/19 16:30 | Filip Cristian Jianu v Nicolas Alvarez Varona | 6-2,6-4 |
| ITF M25 Bakio | 2021/06/29 14:30 | Nicolas Alvarez Varona v Ben Patael | 5-7,6-1,4-6 |
| ITF M25 Alkmaar | 2021/06/27 13:00 | Nicolas Alvarez Varona v Jelle Sels | 1-6,3-6 |
| ITF M25 Alkmaar | 2021/06/26 13:35 | Nicolas Alvarez Varona v Christopher Heyman | 6-4,3-6,7-6 |
| ITF M25 Alkmaar | 2021/06/25 11:30 | Nicolas Alvarez Varona v Marvin Moeller | 6-1,6-4 |
| ITF M25 Alkmaar | 2021/06/24 15:00 | Nicolas Alvarez Varona v Carlos Lopez Montagud | 5-7,6-3,6-2 |
| ITF M25 Alkmaar | 2021/06/23 15:05 | Jesper De Jong v Nicolas Alvarez Varona | 4-6,6-4,4-6 |
| ITF M15 Heraklion | 2021/06/10 09:25 | Nicolas Alvarez Varona v Roman Andres Burruchaga | 7-6,2-6,1-6 |
| ITF M25 Idanha-A-Nova | 2021/07/14 11:05 | Roy Smith v Tiago Cacao | 5-7,6-3,6-7 |
| ITF M15 Champaign | 2021/06/23 21:50 | Roy Smith v Thomaz Bellucci | 6-7,3-6 |
| ITF M25 Santo Domingo | 2021/06/05 16:15 | Roy Smith v Aidan Mchugh | 6-3,3-6,1-6 |
| ITF M25 Santo Domingo | 2021/06/04 14:25 | Calvin Hemery v Roy Smith | 4-6,2-6 |
| ITF M25 Santo Domingo | 2021/06/03 16:45 | Roy Smith v Yshai Oliel | 4-6,6-2,6-3 |
| ITF M25 Santo Domingo | 2021/06/03 13:00 | Roy Smith v Maxime Mora | 6-0,6-0 |
| ITF M15 Monastir | 2021/05/28 08:30 | Eliakim Coulibaly v Roy Smith | 6-3,6-4 |
| ITF M15 Monastir | 2021/05/27 13:15 | Arthur Bouquier v Roy Smith | 2-6,6-7 |